Cita APA (7th ed.)

Purpel, D. E. (1999). Moral outrage in education. P. Lang.

Cita Chicago (17th ed.)

Purpel, David E. Moral Outrage in Education. New York: P. Lang, 1999.

Cita MLA (9th ed.)

Purpel, David E. Moral Outrage in Education. P. Lang, 1999.

Atenció: Aquestes cites poden no estar 100% correctes.